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[src/trunk]: src/sys/dev/pci Add support for BCM57762, found in Apple's Thund...



details:   https://anonhg.NetBSD.org/src/rev/13a20bf85d2e
branches:  trunk
changeset: 781600:13a20bf85d2e
user:      tsutsui <tsutsui%NetBSD.org@localhost>
date:      Mon Sep 17 11:54:36 2012 +0000

description:
Add support for BCM57762, found in Apple's Thunderbolt to Gigabit Ethernet
Adapter.  PR kern/46961 from Ryo ONODERA.

Also revert weird BGE_MAX_FRAMELEN macro definition to sync its usage
with the original FreeBSD's bge.

diffstat:

 sys/dev/pci/if_bge.c    |  53 ++++++++++++++++++++++++++++++++++++++----------
 sys/dev/pci/if_bgereg.h |   6 +++-
 2 files changed, 46 insertions(+), 13 deletions(-)

diffs (178 lines):

diff -r 0a67b9999554 -r 13a20bf85d2e sys/dev/pci/if_bge.c
--- a/sys/dev/pci/if_bge.c      Mon Sep 17 11:45:56 2012 +0000
+++ b/sys/dev/pci/if_bge.c      Mon Sep 17 11:54:36 2012 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_bge.c,v 1.201 2012/07/22 14:33:01 matt Exp $        */
+/*     $NetBSD: if_bge.c,v 1.202 2012/09/17 11:54:36 tsutsui Exp $     */
 
 /*
  * Copyright (c) 2001 Wind River Systems
@@ -79,7 +79,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_bge.c,v 1.201 2012/07/22 14:33:01 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_bge.c,v 1.202 2012/09/17 11:54:36 tsutsui Exp $");
 
 #include "vlan.h"
 
@@ -564,6 +564,10 @@
          "Broadcom BCM57761 Fast Ethernet",
          },
        { PCI_VENDOR_BROADCOM,
+         PCI_PRODUCT_BROADCOM_BCM57762,
+         "Broadcom BCM57762 Gigabit Ethernet",
+         },
+       { PCI_VENDOR_BROADCOM,
          PCI_PRODUCT_BROADCOM_BCM57765,
          "Broadcom BCM57765 Fast Ethernet",
          },
@@ -728,6 +732,7 @@
        { BGE_ASICREV_BCM57780, "unknown BCM57780" },
        { BGE_ASICREV_BCM5717, "unknown BCM5717" },
        { BGE_ASICREV_BCM57765, "unknown BCM57765" },
+       { BGE_ASICREV_BCM57766, "unknown BCM57766" },
 
        { 0, NULL }
 };
@@ -1969,7 +1974,23 @@
 #else
 
        /* new broadcom docs strongly recommend these: */
-       if (!BGE_IS_5705_PLUS(sc)) {
+       if (BGE_ASICREV(sc->bge_chipid) == BGE_ASICREV_BCM5717 ||
+           BGE_ASICREV(sc->bge_chipid) == BGE_ASICREV_BCM57765 ||
+           BGE_ASICREV(sc->bge_chipid) == BGE_ASICREV_BCM57766) {
+               CSR_WRITE_4(sc, BGE_BMAN_MBUFPOOL_READDMA_LOWAT, 0x0);
+               CSR_WRITE_4(sc, BGE_BMAN_MBUFPOOL_MACRX_LOWAT, 0x2a);
+               CSR_WRITE_4(sc, BGE_BMAN_MBUFPOOL_HIWAT, 0xa0);
+       } else if (BGE_IS_5705_PLUS(sc)) {
+               CSR_WRITE_4(sc, BGE_BMAN_MBUFPOOL_READDMA_LOWAT, 0x0);
+
+               if (BGE_ASICREV(sc->bge_chipid) == BGE_ASICREV_BCM5906) {
+                       CSR_WRITE_4(sc, BGE_BMAN_MBUFPOOL_MACRX_LOWAT, 0x04);
+                       CSR_WRITE_4(sc, BGE_BMAN_MBUFPOOL_HIWAT, 0x10);
+               } else {
+                       CSR_WRITE_4(sc, BGE_BMAN_MBUFPOOL_MACRX_LOWAT, 0x10);
+                       CSR_WRITE_4(sc, BGE_BMAN_MBUFPOOL_HIWAT, 0x60);
+               }
+       } else if (!BGE_IS_5705_PLUS(sc)) {
                if (ifp->if_mtu > ETHER_MAX_LEN) {
                        CSR_WRITE_4(sc, BGE_BMAN_MBUFPOOL_READDMA_LOWAT, 0x50);
                        CSR_WRITE_4(sc, BGE_BMAN_MBUFPOOL_MACRX_LOWAT, 0x20);
@@ -1979,10 +2000,6 @@
                        CSR_WRITE_4(sc, BGE_BMAN_MBUFPOOL_MACRX_LOWAT, 152);
                        CSR_WRITE_4(sc, BGE_BMAN_MBUFPOOL_HIWAT, 380);
                }
-       } else if (BGE_ASICREV(sc->bge_chipid) == BGE_ASICREV_BCM5906) {
-               CSR_WRITE_4(sc, BGE_BMAN_MBUFPOOL_READDMA_LOWAT, 0x0);
-               CSR_WRITE_4(sc, BGE_BMAN_MBUFPOOL_MACRX_LOWAT, 0x04);
-               CSR_WRITE_4(sc, BGE_BMAN_MBUFPOOL_HIWAT, 0x10);
        } else {
                CSR_WRITE_4(sc, BGE_BMAN_MBUFPOOL_READDMA_LOWAT, 0x0);
                CSR_WRITE_4(sc, BGE_BMAN_MBUFPOOL_MACRX_LOWAT, 0x10);
@@ -2031,7 +2048,12 @@
        /* Step 41: Initialize the standard RX ring control block */
        rcb = &sc->bge_rdata->bge_info.bge_std_rx_rcb;
        BGE_HOSTADDR(rcb->bge_hostaddr, BGE_RING_DMA_ADDR(sc, bge_rx_std_ring));
-       if (BGE_IS_5705_PLUS(sc))
+       if (BGE_ASICREV(sc->bge_chipid) == BGE_ASICREV_BCM5717 ||
+           BGE_ASICREV(sc->bge_chipid) == BGE_ASICREV_BCM57765 ||
+           BGE_ASICREV(sc->bge_chipid) == BGE_ASICREV_BCM57766)
+               rcb->bge_maxlen_flags =
+                   BGE_RCB_MAXLEN_FLAGS(512, BGE_MAX_FRAMELEN << 2);
+       else if (BGE_IS_5705_PLUS(sc))
                rcb->bge_maxlen_flags = BGE_RCB_MAXLEN_FLAGS(512, 0);
        else
                rcb->bge_maxlen_flags =
@@ -2097,7 +2119,8 @@
        CSR_WRITE_4(sc, BGE_RBDI_JUMBO_REPL_THRESH, BGE_JUMBO_RX_RING_CNT / 8);
 
        if (BGE_ASICREV(sc->bge_chipid) == BGE_ASICREV_BCM5717 ||
-           BGE_ASICREV(sc->bge_chipid) == BGE_ASICREV_BCM57765) {
+           BGE_ASICREV(sc->bge_chipid) == BGE_ASICREV_BCM57765 ||
+           BGE_ASICREV(sc->bge_chipid) == BGE_ASICREV_BCM57766) {
                CSR_WRITE_4(sc, BGE_STD_REPL_LWM, 4);
                CSR_WRITE_4(sc, BGE_JUMBO_REPL_LWM, 4);
        }
@@ -2603,6 +2626,7 @@
                        sc->bge_chipid = pci_conf_read(pc, pa->pa_tag,
                            BGE_PCI_GEN2_PRODID_ASICREV);
                else if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROADCOM_BCM57761 ||
+                        PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROADCOM_BCM57762 ||
                         PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROADCOM_BCM57765 ||
                         PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROADCOM_BCM57781 ||
                         PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROADCOM_BCM57785 ||
@@ -2651,6 +2675,7 @@
            BGE_ASICREV(sc->bge_chipid) == BGE_ASICREV_BCM5785 ||
            BGE_ASICREV(sc->bge_chipid) == BGE_ASICREV_BCM5787 ||
            BGE_ASICREV(sc->bge_chipid) == BGE_ASICREV_BCM57765 ||
+           BGE_ASICREV(sc->bge_chipid) == BGE_ASICREV_BCM57766 ||
            BGE_ASICREV(sc->bge_chipid) == BGE_ASICREV_BCM57780)
                sc->bge_flags |= BGE_5755_PLUS;
 
@@ -2751,6 +2776,7 @@
            BGE_ASICREV(sc->bge_chipid) != BGE_ASICREV_BCM5717 &&
            BGE_ASICREV(sc->bge_chipid) != BGE_ASICREV_BCM5785 &&
            BGE_ASICREV(sc->bge_chipid) != BGE_ASICREV_BCM57765 &&
+           BGE_ASICREV(sc->bge_chipid) != BGE_ASICREV_BCM57766 &&
            BGE_ASICREV(sc->bge_chipid) != BGE_ASICREV_BCM57780) {
                if (BGE_ASICREV(sc->bge_chipid) == BGE_ASICREV_BCM5755 ||
                    BGE_ASICREV(sc->bge_chipid) == BGE_ASICREV_BCM5761 ||
@@ -2904,7 +2930,11 @@
                            "setting short Tx thresholds\n");
        }
 
-       if (BGE_IS_5705_PLUS(sc))
+       if (BGE_ASICREV(sc->bge_chipid) == BGE_ASICREV_BCM5717 ||
+           BGE_ASICREV(sc->bge_chipid) == BGE_ASICREV_BCM57765 ||
+           BGE_ASICREV(sc->bge_chipid) == BGE_ASICREV_BCM57766)
+               sc->bge_return_ring_cnt = BGE_RETURN_RING_CNT;
+       else if (BGE_IS_5705_PLUS(sc))
                sc->bge_return_ring_cnt = BGE_RETURN_RING_CNT_5705;
        else
                sc->bge_return_ring_cnt = BGE_RETURN_RING_CNT;
@@ -3297,7 +3327,8 @@
            sc->bge_chipid != BGE_CHIPID_BCM5750_A0 &&
            BGE_ASICREV(sc->bge_chipid) != BGE_ASICREV_BCM5717 &&
            BGE_ASICREV(sc->bge_chipid) != BGE_ASICREV_BCM5785 &&
-           BGE_ASICREV(sc->bge_chipid) != BGE_ASICREV_BCM57765) {
+           BGE_ASICREV(sc->bge_chipid) != BGE_ASICREV_BCM57765 &&
+           BGE_ASICREV(sc->bge_chipid) != BGE_ASICREV_BCM57766) {
                uint32_t v;
 
                /* Enable PCI Express bug fix */
diff -r 0a67b9999554 -r 13a20bf85d2e sys/dev/pci/if_bgereg.h
--- a/sys/dev/pci/if_bgereg.h   Mon Sep 17 11:45:56 2012 +0000
+++ b/sys/dev/pci/if_bgereg.h   Mon Sep 17 11:54:36 2012 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_bgereg.h,v 1.56 2010/02/03 15:36:36 msaitoh Exp $   */
+/*     $NetBSD: if_bgereg.h,v 1.57 2012/09/17 11:54:36 tsutsui Exp $   */
 /*
  * Copyright (c) 2001 Wind River Systems
  * Copyright (c) 1997, 1998, 1999, 2001
@@ -318,6 +318,7 @@
 #define BGE_CHIPID_BCM5787_A2          0xb002
 #define BGE_CHIPID_BCM5906_A1          0xc001
 #define BGE_CHIPID_BCM5906_A2          0xc002
+#define BGE_CHIPID_BCM57762            0x57766000
 #define BGE_CHIPID_BCM57780_A0         0x57780000
 #define BGE_CHIPID_BCM57780_A1         0x57780001
 
@@ -344,6 +345,7 @@
 #define BGE_ASICREV_BCM57780           0x57780
 #define BGE_ASICREV_BCM5717            0x5717
 #define BGE_ASICREV_BCM57765           0x57785
+#define BGE_ASICREV_BCM57766           0x57766
 
 /* chip revisions */
 #define BGE_CHIPREV(x)                 ((x) >> 8)
@@ -2328,7 +2330,7 @@
 #define ETHER_ALIGN 2
 
 #define BGE_FRAMELEN           ETHER_MAX_LEN
-#define BGE_MAX_FRAMELEN       (ETHER_MAX_LEN + ETHER_HDR_LEN + ETHER_CRC_LEN)
+#define BGE_MAX_FRAMELEN       1536
 #define BGE_JUMBO_FRAMELEN     ETHER_MAX_LEN_JUMBO
 #define BGE_JUMBO_MTU          (BGE_JUMBO_FRAMELEN-ETHER_HDR_LEN-ETHER_CRC_LEN)
 #define BGE_PAGE_SIZE          PAGE_SIZE



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